Medela suction problems

Trista • Girl mom of 2 under 2💜

Does any one have this pump? It’s been working wonderfully for me until yesterday. The suction doesn’t seem to be working as well as before. When I turn up the volume it doesn’t change the strength of the suction. Therefore I’m getting less milk then before. I’ve made sure the membranes are dry. After that didn’t make a difference, I replaced the membranes. Still no change. Any suggestions? Anyone else having this problem?